The generator matrix

 1  0  1  1  1 14  1  1 10  4  1  1  1 12  1  1  6  1  1 10  1  1  1  4  1  4  1  1  0  1  1  6  1  0  1  1  6  1  1  6  8  1  4  1  1  1  4  1  1  1 14  1  1  0  1  2  4  1 12  2  4  1  8  1  1  1  1  1  4  1 14  0  1
 0  1  1  6 11  1  4  3  1  1  1  2  6  1  3  0  1  1  8  1  9 11 10  1 13  1  2  1  1  7 12  1 12  1 13  6  1  4  3  1  1  6  1 15  9 11  1  1  6  5  1 14  5  2 14  4  1 14  1 10  2 11  1  1  5  3 12  6  2 11  1  1  0
 0  0  2  0  6  0  2  0  6 14  8  6  4 12 10  0  8  6  2 14  8 12 10 10 10  4  0  4  4 12 14 14  2  2  4  6  8  8  6  6  6  0  0 14  0 12 14 12 14  2  4  0 14  2  4  2  0 14  2  6 10 14  8  0 10  2  0 12  6  2  8 10  4
 0  0  0 12  0  0  0  8  0  0  8  8  0  0  0 12 12  4  4 12  4  4  4  4  4  4  8  8 12  4  8  4  0  8  0 12  8  4  4 12  4  0 12  8  8 12  0 12 12  8  4 12 12 12  8  4 12  8  4  4 12 12  8  0  0 12 12 12  0  8 12  8  4
 0  0  0  0 12  4  8  0  0  4  4  4  4  0  4  4  4  8  4  0  4  8  0 12  4 12 12  8  0  4  8 12 12  4 12  4  0  0  8  8  4  0  8  0  8 12  8  0  0  0  8  4  4  8  8  4  4 12  8 12  4  8  4  8  8  8  8 12  4  8  8  4  8

generates a code of length 73 over Z16 who´s minimum homogenous weight is 65.

Homogenous weight enumerator: w(x)=1x^0+74x^65+304x^66+740x^67+1251x^68+1906x^69+2685x^70+3260x^71+4010x^72+4404x^73+4051x^74+3560x^75+2680x^76+1648x^77+950x^78+570x^79+304x^80+150x^81+84x^82+36x^83+39x^84+22x^85+16x^86+6x^87+3x^88+4x^89+3x^90+4x^91+3x^94

The gray image is a code over GF(2) with n=584, k=15 and d=260.
This code was found by Heurico 1.16 in 15.4 seconds.